Portable radio



FIG. 1 is a front, top and right side perspective view of _a portable radio showing our new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 4 is a top plan view thereof. 

The ornamental design for a portable radio, as shown. 